﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Y2015CS68LIB.OOP_LIB.POLYMORPHIZM.OVERRIDES
{
    class QLQUYTM
    {
        public void GuiTien() { }
        public void RutTien() { }
        public void VanSoDu() { }
    }
}
